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Analog Electronics

Analog Electronics
Which of the following is trivalent impurity ?

 Silicon
None of these
 Boron
 Antimony

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Analog Electronics
A semiconductor material is formed by

 Covalent bonds
None of these
 Metallic bonds
 Electrovalent bonds

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Analog Electronics
Diode is also called as:

 Amplifier
 Rectifier
 Reactance
 Resistance

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Analog Electronics
The majority carriers in the emitter of a PNP transistor are

 trivalent atoms.
 pentavalent atoms.
 holes.
 free electrons.

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Analog Electronics
The most commonly used amplifier in sample & hold circuits is

An inverting amplifier with a gain of 10
An inverting amplifiers with a gain of 100
A unity gain inverting amplifier
A unity gain non-inverting amplifier

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Analog Electronics
In which mode of BJT operation are both junction forward biased

  reverse active.
  cut off.
  active.
  saturation.

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